Merge pull request #749 from apartensky/master

Fix Limma logFoldChange filter
Fixed saveImage for HCL accordion
Bootstrap Firefox issue: button with and anchor that uses data-target does not work
Fix Bootstrap/Firefox issue for Anova
Fix Bootstrap/Firefox issue for kMeans and tTest
Added operator selection for tTest logFoldChange column filter
Added operator selection for LIMMA logFoldChange column filter
Added filtering for q-Value column in LIMMA
Disable 'apply to heatmap' button for Anova, Limma, and tTest analysis